Coffee grinder



FIG. 1 is a perspective view of a coffee grinder showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevation view of the coffee grinder of FIG. 1;

FIG. 5 is a back elevation view of the coffee grinder of FIG. 1;

FIG. 6 is a top view of the coffee grinder of FIG. 1; and,

FIG. 7 is a bottom view of the coffee grinder of FIG. 1. 

The ornamental design for a coffee grinder, as shown and described. 